8. Swingers
0.0Feb 21, 2014 · 60 min
High in the frozen Japanese Alps, female snow monkeys engage in same-gender sex. Across the African savannah, "Lion Kings" enjoy intimate male friendships. A pretty seahorse is not just a dad, he's a pregnant dad. And a Mexican whiptail lizard is about to experience a virgin birth. In nature, gender is as flexible as life itself. Meet the World's Weirdest Swingers.